com.google.appengine.api.taskqueue (Google App Engine Java API)

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All Classes

Interface Summary
Interface	Description
DeferredTask	Interface for deferred tasks.
IQueueFactory	Creates `Queue` objects.
Queue	`Queue` is used to manage a task queue.

Class Summary
Class	Description
DeferredTaskContext	Resources for managing `DeferredTask` .
IQueueFactoryProvider	Factory provider for `IQueueFactory` .
LeaseOptions	Contains various options for lease requests following the builder pattern.
LeaseOptions.Builder	Provides static creation methods for `LeaseOptions` .
QueueConstants	Describes various taskqueue limits.
QueueFactory	Creates `Queue` objects.
QueueStatistics	`QueueStatistics` allow observation of the rate that tasks on a given queue are being executed.
RetryOptions	Contains various options for a task's retry strategy.
RetryOptions.Builder	Provides static creation methods for `RetryOptions` .
TaskHandle	Created from `Queue.add(TaskOptions)` .
TaskOptions	Contains various options for a task following the builder pattern.
TaskOptions.Builder	Provides static creation methods for `TaskOptions` .

Enum Summary
Enum	Description
TaskOptions.Method	Methods supported by `Queue` .

Exception Summary
Exception	Description
DeferredTaskCreationException	Indicates a failure to create a task payload.
InternalFailureException	Internal task queue error.
InvalidQueueModeException	Mismatch of task method and queue mode.
QueueFailureException	Unspecified queue failure.
QueueNameMismatchException	Queue name mismatch failure.
TaskAlreadyExistsException	One or more task names already exists in the queue.
TransactionalTaskException	Queue operation failure caused by Datastore exception
TransientFailureException	Intermittent failure.
UnsupportedTranslationException	Attempt to convert String to an unsupported charset.

Package com.google.appengine.api.taskqueue Description

Provides a mechanism to perform work initiated by a user request, outside of that request.

See Also:: Queue , The Task Queue Java API in the Google App Engine Developer's Guide .

All Classes